1. Norwegian National Advisory Unit on Ageing and Health, Vestfold Hospital Trust, Tønsberg, Norway;
2. Department of Geriatric Medicine, Oslo University Hospital, Norway;
3. Faculty of Medicine, Institute of Health and Society, University of Oslo, Oslo, Norway;
4. Martin Luther University Halle-Wittenberg, Medical Faculty, Institute of Health and Nursing Sciences, Halle (Saale), Germany;
5. CEDOC, Nova Medical School/Faculdade de Ciências Médicas, Universidade Nova de Lisboa, Lisbon, Portugal;
6. School of Nursing and Human Sciences, Dublin City University, Dublin, Ireland;
7. Dementia Services Development Centre, Bangor University, Bangor, UK;
8. Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Alzheimer Center Limburg, Maastricht University Medical Center, Maastricht, The Netherlands;
9. Alzheimer's Research Unit - Memory Clinic - IRCCS Centro San Giovanni di Dio - Fatebebenefratelli, Brescia, Italy;
10. Department of Neurobiology, Care sciences and Society, Karolinska Institutet, Stockholm, Sweden
11. Centre for Old Age Psychiatric Research, Innlandet Hospital Trust, Ottestad, Norway;